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PolyMOF nanoparticles constructed from intrinsically microporous polymer ligand towards scalable composite membranes for CO2 separation

Author

Listed:
  • Tae Hoon Lee

    (Hanyang University
    Massachusetts Institute of Technology)

  • Byung Kwan Lee

    (Hanyang University)

  • Seung Yeon Yoo

    (Hanyang University)

  • Hyunhee Lee

    (Massachusetts Institute of Technology)

  • Wan-Ni Wu

    (Massachusetts Institute of Technology)

  • Zachary P. Smith

    (Massachusetts Institute of Technology)

  • Ho Bum Park

    (Hanyang University)

Abstract

Integrating different modification strategies into a single step to achieve the desired properties of metal–organic frameworks (MOFs) has been very synthetically challenging, especially in developing advanced MOF/polymer mixed matrix membranes (MMMs). Herein, we report a polymer–MOF (polyMOF) system constructed from a carboxylated polymer with intrinsic microporosity (cPIM-1) ligand. This intrinsically microporous ligand could coordinate with metals, leading to ~100 nm-sized polyMOF nanoparticles. Compared to control MOFs, these polyMOFs exhibit enhanced ultramicroporosity for efficient molecular sieving, and they have better dispersion properties in casting solutions to prepare MMMs. Ultimately, integrating coordination chemistries through the cPIM-1 and polymer-based functionality into porous materials results in polyMOF/PIM-1 MMMs that display excellent CO2 separation performance (surpassing the CO2/N2 and CO2/CH4 upper bounds). In addition to exploring the physicochemical and transport properties of this polyMOF system, scalability has been demonstrated by converting the developed MMM material into large-area (400 cm2) thin-film nanocomposite (TFN) membranes.

Suggested Citation

  • Tae Hoon Lee & Byung Kwan Lee & Seung Yeon Yoo & Hyunhee Lee & Wan-Ni Wu & Zachary P. Smith & Ho Bum Park, 2023. "PolyMOF nanoparticles constructed from intrinsically microporous polymer ligand towards scalable composite membranes for CO2 separation," Nature Communications, Nature, vol. 14(1), pages 1-13, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-44027-y
    DOI: 10.1038/s41467-023-44027-y
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    References listed on IDEAS

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    1. Bin Zhu & Shanshan He & Yan Yang & Songwei Li & Cher Hon Lau & Shaomin Liu & Lu Shao, 2023. "Boosting membrane carbon capture via multifaceted polyphenol-mediated soldering," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
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